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Answer for the clue "Arsenic or antimony ", 9 letters:
semimetal

Alternative clues for the word semimetal

Word definitions for semimetal in dictionaries

Wikipedia Word definitions in Wikipedia
A semimetal is a material with a very small overlap between the bottom of the conduction band and the top of the valence band . According to electronic band theory , solids can be classified as insulators , semiconductors , semimetals, or metals . In insulators ...

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Semimetal \Sem"i*met`al\, n. (Chem.) An element possessing metallic properties in an inferior degree and not malleable, as arsenic, antimony, bismuth, molybdenum, uranium, etc. [Obs.]

Wiktionary Word definitions in Wiktionary
n. (context inorganic chemistry English) A metalloid.

Usage examples of semimetal.

Analysis showed it to be made of various semimetal materials, such as were unknown to us, created from what we could have called artificial atoms, where semiconductor dots contained thousands of electrons.